// JavaScript Document

//userAgent Info 
var agt = navigator.userAgent.toLowerCase();

//Browser Type
var is_browser = "";
if      ( agt.indexOf("rv:") != -1 )	is_browser = "ns";
else									is_browser = "other";


//scroll off
function sroll_off( main_id ) {
	if ( is_browser =="ns" ) {
		document.getElementById( main_id ).style.overflow="hidden" 
	}
}

//scroll on
function sroll_on( main_id ) {
	if ( is_browser =="ns" ) {
		document.getElementById( main_id ).style.overflow="auto" 
	}
}

//Sub menu indication
function indication( submenu_id ) { document.getElementById( submenu_id ).style.visibility="visible" }

//Sub menu no indication
function noindication( submenu_id ) { document.getElementById( submenu_id ).style.visibility="hidden" }

//swap btn
function swap( btn_name,img_name ){ document.images[ btn_name ].src= img_name + ".gif" }


//Windiw open
function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 	}
}
window.onload=externalLinks;

//non-display an alert of ActiveX control 
function flash_w( file_name ) {
	file_name = file_name
	document.write('<object type="application/x-shockwave-flash" data="'+file_name+'" width="750" height="400" id="'+file_name+'" ><param name="movie" value="'+file_name+'" /><param name="quality" value="high" /></object>'); 
}